Compare 645144 vs 645153
| Property | 645144 | 645153 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 31 × 268811 | 31 × 2150511 |
| Prime factorization | 2 × 2 × 2 × 3 × 26881 | 3 × 215051 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 24, 26881, 53762, 80643, 107524, 161286, 215048, 322572, 645144 | 1, 3, 215051, 645153 |
| Number of properties | 0 | 1 |
| Semiprimes | 138193rd | |
| Roman numberals | ||
| Base 2 | 100111011000000110002 | 100111011000001000012 |
| Base 3 | 10122022220203 | 10122022221203 |
| Base 4 | 21312001204 | 21312002014 |
| Base 5 | 1311210345 | 1311211035 |
| Base 6 | 214544406 | 214544536 |
| Base 7 | 53246137 | 53246257 |
| Base 8 | 23540308 | 23540418 |
| Base 9 | 11828669 | 11828769 |
| Base 10 | 64514410 | 64515310 |
| Base 11 | 40078511 | 40079311 |
| Base 12 | 27142012 | 27142912 |
| Base 13 | 19785613 | 19786213 |
| Base 14 | 12b17a14 | 12b18514 |
| Base 15 | cb24915 | cb25315 |
| Base 16 | 9d81816 | 9d82116 |